Research Article

CuFeO2/Cu Photoelectrode Modified with SrTiO3 Perovskite for Efficient Hydrogen Generation from Sanitation Water

Figure 4

(a) SEM image of Cu-SrTiO3/CuFeO2/Cu, (b) the roughness by using the modeling program (ImageJ), (c) SEM image of CuFeO2/Cu, and (d) TEM of Cu-SrTiO3/CuFeO2/Cu.